74VCX162245MTDX(1999) 查看數據表（PDF） - Fairchild Semiconductor

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74VCX162245MTDX
(Rev.:1999)

Low Voltage 16-Bit Bidirectional Transceiver with 3.6V Tolerant Inputs and Outputs and 26Ω Series Resistors in A Port Outputs

Fairchild Semiconductor 

AC Electrical Characteristics (Note 8)

TA = −40°C to +85°C, CL = 30 pF, RL = 500Ω

Symbol

Parameter

VCC = 3.3V ± 0.3V

VCC = 2.5 ± 0.2V

VCC = 1.8V ± 0.15

Units

Min

Max

Min

Max

Min

Max

tPHL, tPLH Prop Delay, A to B

0.8

2.5

1.0

3.0

1.5

6.0

ns

tPHL, tPLH Prop Delay, B to A

0.8

3.4

1.0

4.3

1.5

8.6

ns

tPZL, tPZH Output Enable Time, A to B

0.8

3.8

1.0

4.9

1.5

9.3

ns

tPZL, tPZH Output Enable Time, B to A

0.8

4.2

1.0

5.7

1.5

9.8

ns

tPLZ, tPHZ Output Disable Time, A to B

0.8

3.7

1.0

4.2

1.5

7.6

ns

tPLZ, tPHZ Output Disable Time, B to A

0.8

4.1

1.0

4.8

1.5

8.6

ns

tOSHL

Output to Output

0.5

0.5

0.75

ns

tOSLH

Skew (Note 9)

Note 8: For CL = 50pF, add approximately 300ps to the AC maximum specification.

Note 9: Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device. The

specification applies to any outputs switching in the same direction, either HIGH-to-LOW (tOSHL) or LOW-to-HIGH (tOSLH).

Dynamic Switching Characteristics

Symbol

Parameter

VOLP

Quiet Output Dynamic

Peak VOL, A to B

VOLP

Quiet Output Dynamic

Peak VOL, B to A

VOLV

Quiet Output Dynamic

Valley VOL, A to B

VOLV

Quiet Output Dynamic

Valley VOL, B to A

VOHV

Quiet Output Dynamic

Valley VOH, A to B

VOHV

Quiet Output Dynamic

Valley VOH, B to A

Conditions

CL = 30 pF, VIH = VCC, VIL = 0V

CL = 30 pF, VIH = VCC, VIL = 0V

CL = 30 pF, VIH = VCC, VIL = 0V

CL = 30 pF, VIH = VCC, VIL = 0V

CL = 30 pF, VIH = VCC, VIL = 0V

CL = 30 pF, VIH = VCC, VIL = 0V

VCC

(V)

TA = +25°C

Typical

Units

1.8

0.25

2.5

0.6

V

3.3

0.8

1.8

0.15

2.5

0.25

V

3.3

0.35

1.8

−0.25

2.5

−0.6

V

3.3

−0.8

1.8

0.15

2.5

−0.25

V

3.3

−0.35

1.8

1.5

2.5

1.9

V

3.3

2.2

1.8

1.55

2.5

2.05

V

3.3

2.65

Capacitance

Symbol

Parameter

CIN

Input Capacitance

CI/O

Output Capacitance

CPD

Power Dissipation Capacitance

Conditions

VCC = 1.8V, 2.5V, or 3.3V, VI = 0V or VCC

VI = 0V, or VCC, VCC = 1.8V, 2.5V or 3.3V

VI = 0V or VCC, f = 10 MHz

VCC = 1.8V, 2.5V or 3.3V

TA = +25°C

6

7

20

Units

pF

pF

pF

5

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